Don't allow users to set redaction on an insecure device.

Bug: 17106788
Change-Id: I05f8f4d920158fe99186fb8b879278d6780b8722
diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index 6075748..efa43cd 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -36,6 +36,7 @@
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.notification.NotificationAppList.AppRow;
@@ -134,6 +135,11 @@
         mPriority = (SwitchPreference) findPreference(KEY_PRIORITY);
         mSensitive = (SwitchPreference) findPreference(KEY_SENSITIVE);
 
+        final boolean secure = new LockPatternUtils(getActivity()).isSecure();
+        if (!secure) {
+            getPreferenceScreen().removePreference(mSensitive);
+        }
+
         mAppRow = NotificationAppList.loadAppRow(pm, info, mBackend);
         if (intent.hasExtra(EXTRA_HAS_SETTINGS_INTENT)) {
             // use settings intent from extra
@@ -149,7 +155,9 @@
 
         mBlock.setChecked(mAppRow.banned);
         mPriority.setChecked(mAppRow.priority);
-        mSensitive.setChecked(mAppRow.sensitive);
+        if (mSensitive != null) {
+            mSensitive.setChecked(mAppRow.sensitive);
+        }
 
         mBlock.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
             @Override
@@ -167,13 +175,15 @@
             }
         });
 
-        mSensitive.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
-            @Override
-            public boolean onPreferenceChange(Preference preference, Object newValue) {
-                final boolean sensitive = (Boolean) newValue;
-                return mBackend.setSensitive(pkg, uid, sensitive);
-            }
-        });
+        if (mSensitive != null) {
+            mSensitive.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
+                @Override
+                public boolean onPreferenceChange(Preference preference, Object newValue) {
+                    final boolean sensitive = (Boolean) newValue;
+                    return mBackend.setSensitive(pkg, uid, sensitive);
+                }
+            });
+        }
     }
 
     private void toastAndFinish() {